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1010120122111 = 67107691203909
BaseRepresentation
bin11101011001011111101…
…10011101111011111111
310120120022000012220011111
432230233312131323333
5113022211222401421
62052013123502451
7132656501241142
oct16545766357377
93516260186144
101010120122111
1135a431525481
12143927227a27
137433bb23689
1436c66518059
151b41ee50ee1
hexeb2fd9deff

1010120122111 has 16 divisors (see below), whose sum is σ = 1036280407680. Its totient is φ = 984312853920.

The previous prime is 1010120122103. The next prime is 1010120122129. The reversal of 1010120122111 is 1112210210101.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 1010120122111 - 23 = 1010120122103 is a prime.

It is a super-2 number, since 2×10101201221112 (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1010120122091 and 1010120122100.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1010120122181) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4851825 + ... + 5055733.

It is an arithmetic number, because the mean of its divisors is an integer number (64767525480).

Almost surely, 21010120122111 is an apocalyptic number.

1010120122111 is a deficient number, since it is larger than the sum of its proper divisors (26160285569).

1010120122111 is a wasteful number, since it uses less digits than its factorization.

1010120122111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 204774.

The product of its (nonzero) digits is 8, while the sum is 13.

Adding to 1010120122111 its reverse (1112210210101), we get a palindrome (2122330332212).

The spelling of 1010120122111 in words is "one trillion, ten billion, one hundred twenty million, one hundred twenty-two thousand, one hundred eleven".

Divisors: 1 67 107 691 7169 46297 73937 203909 4953779 13661903 21818263 140901119 1461823621 9440374973 15076419733 1010120122111